Roland VersaUV LEJ-640 Service Notes page 121

Turn on the Sub power SW while pressing the Left, Right and
1
Down keys to enter the Service Mode.
Select [SERVICE MENU] > [SUB MENU] > [HEAD WASH],
2
and select the group of the target tube.
Turn off the Sub Power SW, and then turn off the Main Power
3
SW.
Remove the following covers.
4
I/S Cover
Top Cover
Right Top Cover
Front Rail Cover
Cartridge Cover
Cartridge Cover
Left Side Cover
Front Cover
<Rear side>
MENU
SERVICE MENU
SERVICE MENU
SUB MENU
SUB MENU
HEAD WASH
HEAD WASH
ABC
Sub Power SW
Top Cover
Left Side Cover
Front Cover
3-47
+
MENU
[ ] [ ]
[ ] [ ]
< Rear side >
Main Power SW
Front Rail Cover
Right Top Cover
I/S Cover